Full list of all 60 Letter Quest: Grimm's Journey Remastered achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Spell 2500 words
Beat a stage with only 1 health remaining
Complete 70 quests
Spell 3 words with no vowels
Fill the entire board with duplicator tiles
Play 10 games of Endless Mode
Swap all letters 50 times
Spell 750 words in Endless Mode
Purchase 100 merchant items in Endless Mode
Use 2500 letters in Endless Mode
Defeat 100 monsters in Endless Mode
Defeat 10 monsters in a single game in Endless Mode
Spell 60 words in a single game in Endless Mode
Collect 2000 coins in Endless Mode
Do 100 critical attacks
Defeat 5 monsters with exact damage
Earn 40 crystal stars
Spell 1500 words
Earn 120 stars
Purchase 10 potions
Spell 25 palindromes
Dodge 50 attacks
Spell 200 double-letter words (ex: 'bubble')
Earn 99 stars
Spell the word BANDITS
Defeat 250 monsters
Spell the word BACON
Purchase 50 merchant items in battle
Purchase 30 upgrades
Purchase 5 books
Spell a word that contains two 'Y's
Use 2500 vowels
Bust apart 100 gem piles.
Earn 20 crystal stars
Fill the entire board with plague tiles
Use 5000 letters
Spend 25000 gems
Open a treasure chest with no incorrect guesses
Open 10 treasure chests
Reach max level with one book
Use 100 crystals
Earn 15000 gems
Deal 25000 damage
Earn 1000 book XP
Spell 5 eight-letter words
Use 500 corner letters
Lose from taking tile damage
Take 10000 damage
Spell 50 six-letter words
Finish a stage with full health
Spell 10 seven-letter words
Use 25 plague tiles
Use 500 letters from the top row
Fail to open 3 treasure chests
Earn 29 stars
Deal 10000 damage
Leave a monster with only one health
Use an entire row in one word 3 times
Spell a word containing two or more crystals
Spell a word that does zero damage